Regional Weather Roundup
Issued by NWS

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466
ASUS43 KLOT 210356
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CST THU NOV 20 2025

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.

ILZ001-002-007-009-015-016-024-210500-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLOUDY    47  46  97 NW5       30.06S FOG     TC   8
$$

ILZ003-004-008-010-011-017-018-210500-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       NOT AVBL
$$

ILZ005-006-012>014-019>023-210500-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    47  43  86 W8        30.04F TC   8
CHICAGO-MIDWAY NOT AVBL
AURORA         CLOUDY    46  44  93 W7        30.05F FOG     TC   8
WAUKEGAN       CLOUDY    47  44  90 SW10      30.01F TC   8
DUPAGE AIRPORT CLOUDY    46  44  93 W7        30.05S TC   8
WHEELING       CLOUDY    47  44  90 W7        30.05F TC   8
NORTHERLY ISL*   N/A     47  41  80 W3          N/A  TC   8
$$

LMZ740>746-210500-
SOUTHERN LAKE MICHIGAN

STATION/POSITION SKY/WX   TEMP    WIND        PRES    VSBY  WAVE
                          AIR SEA DIR/SP/G                  HT/PER
                          (F)     (DEG/KT/KT) (MB)    (MI)  (FT/S)
S. MID LAKE BUOY           49 50  250/ 16/ 17 1016.8F
WINTHROP HARBOR            48 49  210/  8/ 12   N/A           1
WAUKEGAN HARBOR            48 48  210/  8/ 12   N/A           1
HARRISON CRIB              48     260/ 10/ 11   N/A
NORTHERLY ISL              47     250/  3/  9   N/A
CALUMET HARBOR             47     220/  4/  7 1017.2
BURNS HARBOR               48     240/  4/  6 1018.6S
MICHIGAN CITY              47     240/ 10/ 11 1017.2S
ST. JOSEPH BUOY            49 51  210/ 14/ 17 1018.1F         2/ 3
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-210500-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-210500-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DECATUR        CLOUDY    50  49  96 CALM      30.05F FOG     TC  10
PEORIA         NOT AVBL
SPRINGFIELD    CLOUDY    51  50  96 CALM      30.04F FOG     TC  11
TAYLORVILLE    NOT AVBL
$$

ILZ033-039-045-046-055>057-062-063-210500-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ILZ079-100>102-210500-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-210500-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     FOG       53  53 100 E3        30.04F VSB 1/2 TC  12
$$

ILZ067-068-072-073-078-083-087-091-210500-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY
$$